Portfolio comparison
Walter Hunt vs GM Global Technology Operations
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 6281· 1849
How Walter Hunt Invented the Modern Safety Pin
Activity by Decade
1840s1
Company B
GM Global Technology Operations
Patents indexed
6
Year range
2020 – 2024
Most recent
2024
automotiveconsumer_electronicsenergymaterialssemiconductors
Top Patents6 enriched
US 11145922· 2021
Boosting Solid-State Batteries with a Capacitor Interlayer
US 10593988· 2020
Improving Lithium Battery Life with a Built-in Lithium Source
US 10566652· 2020
How a Hybrid Layer Stops Metal Growths in Lithium Batteries
Activity by Decade
2020s6
How to use
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